Is lipoprotein associated phospholipase a2 blood test better predictor of heart disease, heart attacks and stokes than myeloperoxidase (mpo) in men?

No, Different Issues: Mpo tends to reflect more active/prone to rupture vulnerable plaque activity, whereas lpla2 a protein on LDL particles which correlates with ↑ed atherogenicity. Keep in mind artery ds typically begins age 7, ; earlier. Measured ldl, large hdl, hba1c ; BP are bigger issues. Many other biomarkers, like the ones you mentioned, also involved ; less important. Illusions of high tech often marketed.